I think you mean QR Codes. QR Codes are a relatively new and less-complicated bar-codes. If you have an android smart-phone or an iphone you can actually scan them yourself and see what information is stored within them.
NOTHING
Newspapers and zebras.
marcus garvey
An insect that has a white body and two pairs of black square wings could be a nymph. The nymph is commonly found near vegetables.
The moon? Or newspapers.
a lobster
Color is not typically used as an element in newspapers to present information, as most newspapers are printed in black and white. Common elements in newspapers include headlines, photos, and articles written in columns.
The famous artist M.C Escher painted the optical illusion where the black and white birds turn into fields. This famous illusion is called Day and Night.
Square - Red Square Black EP - was created on 1994-10-11.
Black Square - album - was created in 2009.
tigers are recognised by their orange fur and black stripes and the black patterns on their face.
Oakley Gaskets Black